Route Price Intelligence
Cheap Flights From St. Louis to Buenos Aires
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,207
Great Deal
Under $1,171
Typical Range
$1,171 – $1,283
Lowest We've Seen
$909
Based on 216 price pointshigh confidence
Monthly Price Guide
Jan
$1,188
Feb
$1,188
Mar
$1,248
Apr
$1,218
May
—
Jun
—
Jul
$1,602
Aug
$1,258
Sep
$1,188
Oct
$1,188
Nov
$1,190
Dec
$1,352
Cheapest Average Expensive
Best Time to Fly from St. Louis to Buenos Aires
The cheapest time to fly from St. Louis to Buenos Aires is typically October, when fares average around $1,188. The most expensive month tends to be July at around $1,602. For the best deals, consider flying in October, January, February.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: September12,193 fares analyzedTypical low: $1,090